 
    Octave Vista is a premium CopperGel memory foam mattress with enhanced cooling technologies and motion isolation. It has a medium-firm feel, which makes it a great option for back, side, and stomach sleepers. The Vista is supported with advanced cooling features in both the cover and foam, and a five-zoned ergonomic system that’s designed to relieve pressure points. A queen size sells for $899 and includes a 365-night sleep trial, a 15-year warranty, and free returns.
FREE GIFT WITH PURCHASE! Get a FREE Bedding Bundle with every mattress purchase, 50% OFF All Duvets, and 15% OFF All Bedding and Bed Frames. See website for details >
 
    Sealy Posturepedic Optimum Chill Trio Dione is a 2-layer cooling memory foam mattress from Sealy, a well-known American mattress brand. In Canada, it’s sold through major third-party retailers like Sleep Country Canada and Walmart, both online and in-store. Pricing can vary depending on size and retailer.
Octave and Sealy are two well-known brands in Canada. Both Octave Vista and Sealy Posturepedic Optimum Chill Trio Dione are medium-firm memory foam mattresses with good edge support, and both mattresses are designed for comfort, cooling, and support. But when we tested them side by side, only one came out on top.
When we compared Octave vs Sealy, Octave scored 9.7/10 compared to Sealy Chill Trio Dione’s 3.1/10. Octave earned points for its affordable price, its features, longer sleep trials, and a longer warranty.
Octave Vista costs for a queen and comes with a 365-night trial and a 15-year warranty. It also includes more cooling features, strong motion isolation, and good pressure relief. It also ships with a free bedding bundle. Octave is part of the GoodMorning.com family.
Sealy Posturepedic Optimum Chill Trio Dione costs $3,299 for a queen and comes with a 100-night sleep trial and 10-year warranty by default. Sealy is owned by Somnigroup International.
Not sure which mattress is right for you? Keep reading, and we’ll break down the details to help you choose the one that fits your needs best.
 
             
                     
                                                    The manufacturing origin listed here is based on the law label of the specific mattress we tested. Learn more >
Our Top Pick For a Good Night’s Sleep
Octave Vista outperformed Sealy Posturepedic in head-to-head mattress testing, based on our scoring system that includes third-party engineer testing (commissioned by us) and over 40+ criteria.
We include edge support and motion isolation in our overall mattress score, and we present these results using a simple colour system: green (5.0 and above), yellow (3.0–4.9), and red (2.9 and below). Cooling features aren’t part of the final rating, but we still use the same colour scale to show how each mattress performs. Firmness and bounce are more a matter of personal preference, so we display those scores in grey and exclude them from the overall score.
| Quick Look | 
 Octave | 
 Sealy | 
|---|---|---|
| Price Range | $599 – $1,199 | $2,849 – $4,099 | 
| Firmness | 6.8/10 | 6.2/10 | 
| Standout Features | 
 | 
 | 
| Sleep Trial | 365-night trial | 100-night trial | 
| Overall Rating | 9.7/10 | 3.1/10 | 
| FREE GIFT WITH PURCHASE! Get a FREE Bedding Bundle with every mattress purchase, 50% OFF All Duvets, and 15% OFF All Bedding and Bed Frames. See website for details > | ||

Octave Vista is a medium-firm memory foam mattress that's designed with comfort, cooling, and support in mind. It features ecoLuxe® gel memory foam for cushioning comfort, plus Elastex® foam to add a gentle bounce and help reduce motion transfer, which is ideal if you share your bed.
The CoolTouch™ cover is designed to feel cool to the touch, which may help with temperature regulation. Octave Vista also features a five-zoned ergonomic support system intended to provide targeted pressure relief. Its medium-firm feel is suitable for a wide range of sleep positions, including side, back, and stomach.
Octave Vista is priced at $899 for a queen and comes with a 365-night sleep trial, a 15-year warranty, and a free bedding bundle that includes sheet set, pillow(s), mattress protector, and pillow protector(s). You can also choose to upgrade to the Octave Mirage and Octave Horizon models for more advanced features like a layer of aerated latex or extra layers of cooling gel.

The Sealy Posturepedic Optimum Chill Trio Dione is a 2-layer memory foam mattress that stands 11" tall and has a medium-firm feel. This mattress has a fairly simple construction with layers of cooling gel memory foam and high-density foam.
It has very good motion isolation, great edge support, and offers a cool-to-the-touch surface. While other cooling features are limited, it still delivers a balanced, pressure-relieving sleep experience.
The Sealy Posturepedic Optimum Chill sold for $3,299 for a queen. The mattress comes with a 100-night sleep trial and a 10-year warranty, which are average for the industry.
Note: This mattress has been discontinued. You may still be able to find it for sale through individual retailers.
Get a longer sleep trial and warranty when you choose Octave.
| Sizes Based on standard sizing. Individual mattress dimensions may vary. | Octave | Sealy | 
|---|---|---|
| Twin
 | $599 | N/A | 
| Twin XL
 | $649 | $2,849 | 
| Full/Double
 | $799 | $2,999 | 
| Queen
 | $899 | $3,299 | 
| King
 | $1,199 | $4,099 | 
| California King
 | $1,199 | N/A | 
Prices are pulled from mattress brand websites or trusted third-party retailers. We check prices monthly to stay accurate. Prices on our site don't reflect any current sales or promotions. Learn more >
Looking for a cooling memory foam mattress under $1,000 for a queen size?
Both Octave Vista and Chill Trio Dione use a multi-layer foam construction designed to offer a balance of comfort, support, and breathability.

The Octave Vista mattress is 12" tall and built with 3 layers of foam, including a five-zoned support layer designed to promote proper spinal alignment. The foam layers are CertiPUR-US® certified, which means they meet certain standards for emissions, durability, and quality.

The Sealy Posturepedic Optimum Chill Trio Dione mattress is 11" tall and built with 2 layers of foam. Both foam layers are CertiPUR‑US® certified.
The Sealy Posturepedic Optimum Chill Trio Dione features a white-and-grey patterned cover with light blue accents and a branded blue band around the middle. The cover uses Sealy Chill™ 2.0 cooling yarns to help maintain a cooler sleep surface. The Ultra-Stretch Chill-Trio™ fabric is part of the mattress's cooling design, but its full material breakdown isn't provided.
| Category | Octave | Sealy | 
|---|---|---|
| Feel | Medium-firm | Medium-firm | 
| Firmness | 6.8 / 10 | 6.2 / 10 | 
| Edge Support | 7.5 / 10 | 8.5 / 10 | 
| Motion Isolation | 7.3 / 10 | 7.1 / 10 | 
| Bounce | 3.7 / 10 | 2.9 / 10 | 
| Cooling Features | 8.0 / 10 | 2.5 / 10 | 
In third-party engineer testing that we commissioned, both Octave and Sealy fell in the medium-firm range. This firmness level works well for most sleep styles, whether you sleep on your back, stomach, or side.
Both mattresses earned solid scores for edge support. However, Octave Vista includes more cooling features, which may appeal to hot sleepers.
Where Octave Vista Differs:
Where Sealy Posturepedic Optimum Differs:
Looking for a cooling memory foam mattress with more cooling features?
| Quick Look | 
 Octave Vista | 
 Sealy | 
|---|---|---|
| Courier | FedEx | Sleep Country Canada | 
| Shipping Fees | Free | Free shipping on orders over $75 | 
| Delivery Timeline | 3–10 business days | 3–10 business days | 
| Sleep Trial Nights | 365 | 100 | 
| Return Policy | Free pickup and return, full refund | Exchange only with $65 fee; no pickup | 
| Warranty Years | 15 | 10 | 
Octave Vista with FedEx and delivers for free to most areas in Canada, usually within 3–10 business days. Octave offers the longer sleep trial at 365 nights, plus a longer 15-year warranty.
If you return your mattress during the sleep trial, Octave will arrange a pickup and issue a full refund at no extra charge. Returned mattresses are donated to charities near you whenever possible. In case there aren't any charities near you, the company will have the mattress responsibly recycled.
When ordered from Sleep Country Canada, the Chill Trio Dione mattress typically arrives within 3–10 business days. It offers 100-night sleep trial and a 10-year warranty, which is standard for the industry.
Sleep Country's return policy is different from Octave's. The company doesn't offer pickup for returns and doesn't issue full refunds. If you return a mattress during the sleep trial, you'll receive in-store credit toward another Sleep Country product, minus a $65 exchange fee. If the replacement costs more, you pay the difference. You'll also have to take it back to the store yourself. Donation or recycling is available with Green Glove Delivery for an additional $59.99.
Get the mattress with the longer sleep trial, warranty, and free return with full refund.
Third-party review websites like Better Business Bureau (BBB) and Trustpilot provide unbiased reviews directly from customers. Since brands can't influence these ratings, they're one of the most trustworthy ways to gauge what your experience might be like.
When it comes to customer satisfaction, Octave rates higher on both Trustpilot and the BBB compared to Sealy and its parent company, Somnigroup International Inc.
| Third Party Sites Scores from brands' Better Business Bureau and Trustpilot profiles are factored into our overall mattress ratings. | Octave | Sealy | 
|---|---|---|
| BBB Rating | ||
| BBB Stars | 4.9 / 5 | 1 / 5 | 
| Trustpilot Rating | ||
| Parent Company | GoodMorning.com | Somnigroup International Inc. | 
| Year Launched | 2023 | 1881 | 
Get the mattress with better reviews and customer ratings.
When comparing Octave vs Sealy, the biggest differences are price and features. In third-party engineer testing (commissioned by us), both fall within the medium-firm range, which suits a wide range of sleep styles. Both perform well for edge support and motion isolation. Octave Vista, however, combines a five-zoned support system for targeted pressure relief with multiplr cooling features throughout the mattress.
Plus, Octave Vista comes with a 15-year warranty and a free bedding bundle with every mattress purchase, all for just $899 for a queen-size, making it making it an affordable foam mattress option.

 The product details in each review reflect how the mattress performed at the time we purchased and tested it, as shown by the "Published" date. 
Since brands can update their materials, pricing, or availability over time, we also note when the product was originally purchased, either directly in the article or on our disclaimer page, to maintain clarity and transparency.
If you see an "Updated" tag on a page with a more recent date than the published date, it simply means we've made editorial changes. It does not necessarily indicate any update to the mattress or its test data.
Finally, unless otherwise stated, any mention of where a mattress is made refers specifically to the product we received and tested.
More details >